Temporary binder.



No. 722,651. PATBNTED- MAR.'10, 1903.

W. J. BRUWN.

TEMPORARY BINDER. APPLIoATIoN IfILED un 6, 1902.'

i I y No. 722,651.l PATRNTRD MAR; lum-51903.

W. J. BROWN. TEMPORARY BINDER.

APPLIoATIoN FILED un 6, 1902. v 11g-MODEL. z'snnBTs-snim 2.

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UNITED STATES PATE-NT OFFICE.

VILLARD J. BROWN, OF PORTLAND, OREGON.

TEM PORARY BINDER.

SPECIFICATION forming part of Letters Patent No. 722,651, dated March 10, 1903.

Application filed May 6, 1902. Serial No. 106,205. (No model.)

T all whom, it may concern:

Beit known that I, WILLARD J. BROWN, a citizen of the United States, and a resident of Portland, in the county of Multnomah and State of Oregon, have invented a new vand useful Improvement in Temporary Binders, of which the following is a specification, reference being had to the accompanying drawings as constituting a part thereof.

My invention relates to temporary binders of the class used for loose-leaf ledgers, catalogues, and the like and comprising outer covers having rigid binding edges which are connected by telescoping posts, so that the covers maybe adjusted to removably clamp and lock between them a pad of loose slotted sheets of paper.

The object of my invention is to introduce in a binder of this class certain novel features which will make the whole a strong, durable, and simple device.

To this' end one of the features of my invention is a telescoping locking-post by which the two covers are adj ustably connected and which post may be operated to release the covers and to compress and lock the same by a mere partial turn of a key. Combined herewith are other useful contrivances, all of which features are illustrated in the drawings, and will be hereinafter fully described and claimed.

In the drawings, Figure l shows a crosssection of the two outer covers and an elevation of my binder contrivances. Fig. 2 is a partial cross-section of the covers and of the binding devices, all shown on an enlarged scale, the left half of the devices, which are omitted from the gure, being identical with those shown. Fig. 3 is a plan of the back or binding portion of the bottom section of the covers. Fig. 4: is an inverted plan of the interior of the corresponding portion of the top section of the cover. Fig. 5 is a vertical longitudinal section of the central telescoping locking-post D and of the back portions of the covers. Fig. 6 is a perspective elevation of the lower member d of the locking-post D, the upper half of such member CZ being shown in dotted outline and the central part being shown in crosssection to more clearly illustrate the relations of the parts. Fig. 7 is a perspective of the ribbed bar 72. removed from the member d, and Fig. 8 is a cross-section of the locking-screw 7c taken some distance below its head.

The letters designate the parts referred to. The covers A B respectively consist of stiff sections a b, preferably made of sole-leather, and of narrow metal plates a. h', and the parts are connected by flexible hinges or joints a2.

On the inner sides along the back edges of each of the sections a and b are secured metal backs f g, comprising a base and sides, and the back f being adapted to telescope in the back g. In-the metal yplates a b/ of the covers are secured the telescoping posts O D E. The bases of the backs f g have portions cut away, and the plates ct b have threaded apertures in which to receive the threaded ends of the members of the posts. This construction is convenient for the removal and replacement of any member of a post which may have become injured in use. The end posts O E each consist of two tubes c c e e', sliding one in the other.v Within such two tube-sections of the posts O E are contained coil-'springs c', and the latter functionate to expand or separate the covers upon the lockingpost D having 4been unlocked, so that the matter to be bound may then be arranged as desired. The two cover-sections are not to be entirely separated for the insertion or removal of leaves; but the leaves are inserted on and removed from the posts C D E between the covers. For this purpose the leaves Z, as shown in Fig. 3are provided with slots Z and l2.

The construction of the locking-post D will be readily understood by reference to Figs.

2 and 5, showing vertical sections thereof taken at right angles to each other. Such locking-post comprises two tubes d d', sliding one within the other, as do4 the members of the posts C and E. The lower tube d is of the construction shown in Fig. 6, having an enlarged portion (Z2, provided with a vertical slot m. In such slot m is solidly secured a steel rack-bar h of the construction shown in Fig. 7. The rack-bark is provided with a number of ribs h with which to engage the 'segmental threads o of the screw 7.o. As more clearly seen in the section Fig. 8, the segmental threads o do not extend all around the shank of the screw 7c, and they IOO are provided at one extremity with a vertical stop-rib t. Between lthe stop --rib t and the opposite ends of the threads o there is a recess u, of a sufficient size to accommodate the ribs 7a of the rack-bar h. Thus when ,the screw k is so turned as to bring the recess u over the ribs h' the screw 7c is freed, and the upper cover A may be then adjusted-that is, raised or com pressed-for the removal and insertion of leaves. The adjustment of the covers A B and the connecting binding devices thereof is a simple operation. All required to be done to'release the uppercover is to turn the screw 7o back, so as to bring the recess tt over the segmental threads 0. The covers having been spread apart, the pad may then be inserted. In bindinga pad of leaves between the covers the locking-post D performs a double f unction-first compressing and next locking the covers upon such pad. This is apparent from the following description of such binding operation: The upper cover is first pressed down on the pad of leaves as far as possible by bearing upon it, and by then turning the locking-screw k by means of a key inserted on the stem 7' those of the segmental threads o which are positioned opposite to the ribs h will engage the latter, forcibly compress the covers, and securely clamp and lock the pad of leaves between them. In so lookin g the covers together the screw 7c is prevented from being turned too far around by the stop-rib t. In compressing the two covers by means of the screw la engaging the rack-bar h, as mentioned, the latter obviously has to sustain a considerable lateral thrust. To provide for such strain,

the tube d has a reinforced or enlarged portion cl2, in which is cut a slot m, leaving beveled shoulders n, as shown in the cross-section Fig. 6, and the rack-bar h is made of conforming shape, so that it may be inserted in the slot m, and when soinserted the shoulders h2 thereof will bear against the shoulders fn.. The tube cl is in cross-section of the shape more clearly shown by the end view thereof in Fig. LL. The chamber d5, protruding to one side of such tube d', receives the enlarged portion d2 of the tube d. The walls of the chamber d5 just conveniently accommodate the enlarged portion d2, and consequently such walls furnish a brace against the lateral thrust occasioned by the threads of the screw 7c engaging the ribs h. In fact, the combination of the parts involved provides a structure well adapted to withstand any strain which may be imposed by the act of clamping the leaves between the covers. The screw 7c is provided with a flange j', seated on the shoulder w, provided on the interior of the tube d. Such screw is kept in place by the screw-cap s, apertured to allow the stemj of the screw to project therethrough. The free ends g2 of the sides g' of the back g are turned back, so as to constitute a groove, and the back g as a whole will form a way or sheath in which to slidably receive the back f. To prevent the upper cover from being so far raised as to bring the backfout of. engagement with the back g, the lower end of the screw khas a threaded aperture in which is inserted a threaded stud y, having a ange-head of such a size that it cannot pass the protruding ribs h. To insert the stud fg, the lower cover B is necessarily apertured, and this aperture is closed again by the screw-cap fu.

The particular means employed for turning the screw la are obviously not material to my invention. Therefore the shank j may be substitu ted by any other contrivance enabling the turning of the screw 7o.

Having fully described my invention, now what I claim, and desire to secure by Letters Patent, is-

l. In a temporary binder the combination with the outer covers of a central lockingpost, comprising telescoping members, d, d', respectively secured to the covers, rack-bar, h, on the interior of the member d, and a screw rotatably secured in the member CZ', and comprising segmental threads, o, and recess, u, in which slides said rack-bar, h, and a stop for preventing the screw being turned too far, substantially as described.

2. In a temporary binder the combination with the outer covers, of a central lockingpost comprising telescoping members, d, d', respectively secured to the covers, rack-bar, h, on the interior of the member, d, and a screw rotatably secured in the member, d', and comprising segmental threads, o, and recess u, in which slides said rack-bar, h, and a stop-rib, t, substantially as described.

3. In a temporary binder, the combination of two outer covers, comprising plates, a', b',- a locking-post, D, consisting of members, d, d', telescoping one within the other, and respectively secured to said plates of the covers, rack-bar h, on the interior of the member d, the screw, la, comprising spiral segmental threads, o, and a recess, it, in which to receive said rack-bar, h, while the covers are being adjusted, a stop-rib, t, a ange on the head end ot' the screw, and a shoulder for the same to bear against on the interior of the member, d; the stud, y, the screw-cap, s, holding the screw, lc, on its seat, and means for keeping the plates, a, h', in parallel alinement while the covers are being adjusted, substantially as described.

4. A temporary binder consisting of two outer covers, comprising plates, a', b', a locking-post, D, consisting of members, CZ CZ, telescoping one within the other, and respectively secnred to said plates of the covers; rack-bar, h, on the interior of the member, d; the screw, k, comprising spiral segmental threads, 0, and a recess, u, in which to receive said rack-bank, while the covers are being adjusted, a stop-rib, t, a flange on the head end of the screw, and a shoulder for the same to bear against, on the interior of the member, d; the stud, y, the screw-cap, s, holding the screw, 7c, on its seat; telescoping IOO IOS

IIO

posts, C, E, the members of which are respectively secured to the covers, which posts operate to hold the cover in parallel alinement While being adj usted and springs Within the posts, C, E, for spreading the covers when released, substantially as described.

5. A temporary binder, consisting of outer covers comprising plates, a', b', hinged sections, a, b, and telescoping backs, j', g; a lockingpost,D, consisting of members, d, d, telescoping one within the other, and respectively secured to said plates of the covers; rack-bar, h, on the interior of the member, d, the screw, le, comprising spiral, segmental threads, o, and recess, u, in which to receive said rack-bar, h, while the covers are being adjusted, a stop-rib, t, a flange on the head end of the screw, and a shoulder for the same to bear against on the interior of the member, d; the stud, y, the screw-cap, s, holding the screw, 7c, on its seat; telescopng posts, C, E, the` members of which are respectively secured to the covers, which posts operate to hold the cover in parallel alinement While being adjusted; and springs Within the posts, C, E, for. spreading the covers when released, substantially asdescribed.

In testimony whereof I have -hereunto affixed my signature, in the presence of two Witnesses, this 11th dayof April, 1902.

WILLARD J. BROWN. Witnesses:

T. J. GEISLER, E. M. HoWATsoN. 

